<!DOCTYPE html>
<html lang = "china">
    <head>
        <meta charset="utf-8">
    </head>
    <body>
        
        <form action = "hello.html" target="_blank">        
        <table style=" width:500px;height:0px;color: red;">
            <tr>
                <h1>用户注册</h1><dr/>
            </tr>
            <tr>
                用户名<input type="text" placeholder="请输入用户名"><br/>
            </tr>
            <tr>
                手机号<input type="text" placeholder="请输入手机号"><br/>
            </tr>
            <tr>
                密码<input type="password" placeholder="请输入密码"><br/>
            </tr>
            <tr>
                <input type="submit" value="注册" onclick = "alert('创建账号')">
            </tr>
        </table>
    </form>
        <div>
            已有账号？<a href = "hello.html" target="_blank" >登录</a>
        </div>
    </body>
</html>